copulation

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copulation

 [kop″u-la´shun]
sexual union or coitus; the transfer of the sperm from male to female; usually applied to animals other than humans.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cop·u·la·tion

(kop'yū-lā'shŭn),
1. Synonym(s): coitus
2. In protozoology, conjugation between two cells that do not fuse but, rather, separate after mutual fertilization; observed in the ciliophora, as in Paramecium.
[L. copulatio, a joining]
Farlex Partner Medical Dictionary © Farlex 2012

copulation

The act of engaging in sexual intercourse.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

cop·u·la·tion

(kop'yū-lā'shŭn)
1. Synonym(s): coitus.
2. protozoology Conjugation between two cells that do not fuse but separate after mutual fertilization; observed in the ciliophora, as in Paramecium.
[L. copulatio, a joining]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

copulation

A joining together in the act of COITUS. The physical element in sexual intercourse.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

copulation

or

coitus

the act of coupling of male and female animals in sexual intercourse. In mammals the male organ (penis) penetrates the female and introduces the male SPERM. MATING is a term usually restricted to the behavioural aspects of pair formation and this occurs normally before copulation, while fertilization takes place only after copulation.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005